alexfh updated this revision to Diff 90442.
alexfh added a comment.
Pacify llvm::Expected<> debug checks.
https://reviews.llvm.org/D30564
Files:
clang-tidy/ClangTidy.cpp
clang-tidy/ClangTidy.h
clang-tidy/tool/ClangTidyMain.cpp
docs/ReleaseNotes.rst
docs/clang-tidy/index.rst
test/clang-tidy/readability-braces-around-statements-format.cpp
Index: test/clang-tidy/readability-braces-around-statements-format.cpp
===================================================================
--- /dev/null
+++ test/clang-tidy/readability-braces-around-statements-format.cpp
@@ -0,0 +1,33 @@
+// RUN: %check_clang_tidy %s readability-braces-around-statements %t -- -format --
+
+void do_something(const char *) {}
+
+bool cond(const char *) {
+ return false;
+}
+
+void test() {
+ if (cond("if0") /*comment*/) do_something("same-line");
+ // CHECK-MESSAGES: :[[@LINE-1]]:31: warning: statement should be inside braces
+ // CHECK-FIXES: {{^}} if (cond("if0") /*comment*/) {{{$}}
+ // CHECK-FIXES-NEXT: {{^}} do_something("same-line");{{$}}
+ // CHECK-FIXES-NEXT: {{^}} }{{$}}
+
+ if (1) while (2) if (3) for (;;) do ; while(false) /**/;/**/
+ // CHECK-MESSAGES: :[[@LINE-1]]:9: warning: statement should be inside braces
+ // CHECK-MESSAGES: :[[@LINE-2]]:19: warning: statement should be inside braces
+ // CHECK-MESSAGES: :[[@LINE-3]]:26: warning: statement should be inside braces
+ // CHECK-MESSAGES: :[[@LINE-4]]:35: warning: statement should be inside braces
+ // CHECK-MESSAGES: :[[@LINE-5]]:38: warning: statement should be inside braces
+ // CHECK-FIXES: {{^}} if (1) {{{$}}
+ // CHECK-FIXES-NEXT: {{^}} while (2) {
+ // CHECK-FIXES-NEXT: {{^}} if (3) {
+ // CHECK-FIXES-NEXT: {{^}} for (;;) {
+ // CHECK-FIXES-NEXT: {{^}} do {
+ // CHECK-FIXES-NEXT: {{^}} ;
+ // CHECK-FIXES-NEXT: {{^}} } while (false) /**/; /**/
+ // CHECK-FIXES-NEXT: {{^}} }
+ // CHECK-FIXES-NEXT: {{^}} }
+ // CHECK-FIXES-NEXT: {{^}} }
+ // CHECK-FIXES-NEXT: {{^}} }
+}
Index: docs/clang-tidy/index.rst
===================================================================
--- docs/clang-tidy/index.rst
+++ docs/clang-tidy/index.rst
@@ -158,6 +158,8 @@
errors were found. If compiler errors have
attached fix-its, clang-tidy will apply them as
well.
+ -format -
+ Format code around applied fixes.
-header-filter=<string> -
Regular expression matching the names of the
headers to output diagnostics from. Diagnostics
@@ -179,6 +181,11 @@
List all enabled checks and exit. Use with
-checks=* to list all available checks.
-p=<string> - Build path
+ -quiet -
+ Run clang-tidy in quiet mode. This suppresses
+ printing statistics about ignored warnings and
+ warnings treated as errors if the respective
+ options are specified.
-style=<string> -
Fallback style for reformatting after inserting fixes
if there is no clang-format config file found.
@@ -558,10 +565,10 @@
against the fixed code (i.e., the code after generated fix-its are
applied). In particular, ``CHECK-FIXES:`` can be used to check
that code was not modified by fix-its, by checking that it is present
-unchanged in the fixed code. The full set of `FileCheck`_ directives
+unchanged in the fixed code. The full set of `FileCheck`_ directives
is available (e.g., ``CHECK-MESSAGES-SAME:``, ``CHECK-MESSAGES-NOT:``), though
typically the basic ``CHECK`` forms (``CHECK-MESSAGES`` and ``CHECK-FIXES``)
-are sufficient for clang-tidy tests. Note that the `FileCheck`_
+are sufficient for clang-tidy tests. Note that the `FileCheck`_
documentation mostly assumes the default prefix (``CHECK``), and hence
describes the directive as ``CHECK:``, ``CHECK-SAME:``, ``CHECK-NOT:``, etc.
Replace ``CHECK`` by either ``CHECK-FIXES`` or ``CHECK-MESSAGES`` for
Index: docs/ReleaseNotes.rst
===================================================================
--- docs/ReleaseNotes.rst
+++ docs/ReleaseNotes.rst
@@ -87,6 +87,9 @@
Finds and replaces explicit calls to the constructor in a return statement by
a braced initializer list so that the return type is not needlessly repeated.
+- Support clang-formatting of the code around applied fixes (``-format``
+ command-line option).
+
Improvements to include-fixer
-----------------------------
Index: clang-tidy/tool/ClangTidyMain.cpp
===================================================================
--- clang-tidy/tool/ClangTidyMain.cpp
+++ clang-tidy/tool/ClangTidyMain.cpp
@@ -60,7 +60,7 @@
prefix add checks with matching names to the
set, globs with the '-' prefix remove checks
with matching names from the set of enabled
-checks. This option's value is appended to the
+checks. This option's value is appended to the
value of the 'Checks' option in .clang-tidy
file, if any.
)"),
@@ -120,6 +120,11 @@
)"),
cl::init(false), cl::cat(ClangTidyCategory));
+static cl::opt<bool> Format("format", cl::desc(R"(
+Format code around applied fixes.
+)"),
+ cl::init(false), cl::cat(ClangTidyCategory));
+
static cl::opt<std::string> FormatStyle("style", cl::desc(R"(
Fallback style for reformatting after inserting fixes
if there is no clang-format config file found.
@@ -189,7 +194,7 @@
cl::cat(ClangTidyCategory));
static cl::opt<bool> Quiet("quiet", cl::desc(R"(
-Run clang-tidy in quiet mode. This suppresses
+Run clang-tidy in quiet mode. This suppresses
printing statistics about ignored warnings and
warnings treated as errors if the respective
options are specified.
@@ -402,7 +407,7 @@
unsigned WErrorCount = 0;
// -fix-errors implies -fix.
- handleErrors(Errors, (FixErrors || Fix) && !DisableFixes, FormatStyle,
+ handleErrors(Errors, (FixErrors || Fix) && !DisableFixes, Format, FormatStyle,
WErrorCount);
if (!ExportFixes.empty() && !Errors.empty()) {
Index: clang-tidy/ClangTidy.h
===================================================================
--- clang-tidy/ClangTidy.h
+++ clang-tidy/ClangTidy.h
@@ -238,7 +238,8 @@
/// Errors containing fixes are automatically applied and reformatted. If no
/// clang-format configuration file is found, the given \P FormatStyle is used.
void handleErrors(const std::vector<ClangTidyError> &Errors, bool Fix,
- StringRef FormatStyle, unsigned &WarningsAsErrorsCount);
+ bool FormatFixes, StringRef FormatStyle,
+ unsigned &WarningsAsErrorsCount);
/// \brief Serializes replacements into YAML and writes them to the specified
/// output stream.
Index: clang-tidy/ClangTidy.cpp
===================================================================
--- clang-tidy/ClangTidy.cpp
+++ clang-tidy/ClangTidy.cpp
@@ -89,13 +89,14 @@
class ErrorReporter {
public:
- ErrorReporter(bool ApplyFixes, StringRef FormatStyle)
+ ErrorReporter(bool ApplyFixes, bool FormatFixes, StringRef FormatStyle)
: Files(FileSystemOptions()), DiagOpts(new DiagnosticOptions()),
DiagPrinter(new TextDiagnosticPrinter(llvm::outs(), &*DiagOpts)),
Diags(IntrusiveRefCntPtr<DiagnosticIDs>(new DiagnosticIDs), &*DiagOpts,
DiagPrinter),
- SourceMgr(Diags, Files), ApplyFixes(ApplyFixes), TotalFixes(0),
- AppliedFixes(0), WarningsAsErrors(0), FormatStyle(FormatStyle) {
+ SourceMgr(Diags, Files), ApplyFixes(ApplyFixes),
+ FormatFixes(FormatFixes), TotalFixes(0), AppliedFixes(0),
+ WarningsAsErrors(0), FormatStyle(FormatStyle) {
DiagOpts->ShowColors = llvm::sys::Process::StandardOutHasColors();
DiagPrinter->BeginSourceFile(LangOpts);
}
@@ -183,7 +184,6 @@
}
void Finish() {
- // FIXME: Run clang-format on changes.
if (ApplyFixes && TotalFixes > 0) {
Rewriter Rewrite(SourceMgr, LangOpts);
for (const auto &FileAndReplacements : FileReplacements) {
@@ -209,6 +209,18 @@
llvm::errs() << llvm::toString(CleanReplacements.takeError()) << "\n";
continue;
}
+ if (FormatFixes) {
+ llvm::Expected<Replacements> FormattedReplacements =
+ format::formatReplacements(Code, *CleanReplacements, *Style);
+ if (FormattedReplacements) {
+ CleanReplacements = std::move(FormattedReplacements);
+ if (!CleanReplacements)
+ llvm_unreachable("!CleanReplacements");
+ } else {
+ llvm::errs() << llvm::toString(FormattedReplacements.takeError())
+ << ". Continuing without formatting.\n";
+ }
+ }
if (!tooling::applyAllReplacements(CleanReplacements.get(), Rewrite)) {
llvm::errs() << "Can't apply replacements for file " << File << "\n";
}
@@ -248,6 +260,7 @@
SourceManager SourceMgr;
llvm::StringMap<Replacements> FileReplacements;
bool ApplyFixes;
+ bool FormatFixes;
unsigned TotalFixes;
unsigned AppliedFixes;
unsigned WarningsAsErrors;
@@ -542,8 +555,9 @@
}
void handleErrors(const std::vector<ClangTidyError> &Errors, bool Fix,
- StringRef FormatStyle, unsigned &WarningsAsErrorsCount) {
- ErrorReporter Reporter(Fix, FormatStyle);
+ bool FormatFixes, StringRef FormatStyle,
+ unsigned &WarningsAsErrorsCount) {
+ ErrorReporter Reporter(Fix, FormatFixes, FormatStyle);
vfs::FileSystem &FileSystem =
*Reporter.getSourceManager().getFileManager().getVirtualFileSystem();
auto InitialWorkingDir = FileSystem.getCurrentWorkingDirectory();
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